柯林斯词典pop up (popping,popped,pops) 1. PHRASAL VERB If someone or something pops up, they appear in a place or situation unexpectedly. 突然出现[非正式] She was startled when Lisa popped up at the door all smiles. 莉萨满面笑容地突然出现在门口时她吃了一惊。 返回 pop up